Added security doc link from apple and macos 26 requirement

Author: abhishek-anand

README.md

@@ -2,15 +2,15 @@
 
 # ⚡ CodeRunner: Secure Code Execution Sandbox
 
-CodeRunner provides a secure MCP (Model Context Protocol) server that runs inside a sandboxed environment, powered by Apple's native [container](https://github.com/apple/container) technology. It allows you to safely execute code generated by AI models like Claude, OpenAI GPT, or Ollama.
+CodeRunner provides a secure MCP (Model Context Protocol) code execution server that runs inside a sandboxed environment on your Mac, powered by Apple's native [containers](https://github.com/apple/container). It allows you to safely execute code generated by AI models like Claude, OpenAI GPT, or Ollama.
 
 This guide shows you how to use the pre-built CodeRunner sandbox.
 
 ## 🚀 Quick Start
 
 ### Prerequisites
 
-- Mac with Apple Silicon (M1/M2/M3/M4 series)
+- Mac with preferably macOS 26.0 (currently in Developer beta) or later and Apple Silicon (M1/M2/M3/M4 series)
 - **[Apple `container` Tool](https://github.com/apple/container)** - [Download installer](https://github.com/apple/container/releases/download/0.1.0/container-0.1.0-installer-signed.pkg)
 - **Python 3.10+**
 
@@ -105,6 +105,9 @@ Use CodeRunner with OpenAI's Python agents library:
 ### Sandboxed Execution
 All code runs in an isolated container environment, ensuring your host system remains secure.
 
+From [@apple/container](https://github.com/apple/container/blob/main/docs/technical-overview.md) documentation - 
+>Security: Each container has the isolation properties of a full VM, using a minimal set of core utilities and dynamic libraries to reduce resource utilization and attack surface.
+
 ## 🏗️ Architecture
 
 CodeRunner consists of:
@@ -124,4 +127,4 @@ We welcome contributions! Please see [CONTRIBUTING.md](CONTRIBUTING.md) for guid
 
 ## 📄 License
 
-This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.